Knoxville Weather Forecast

    • 50
    • 80

    Slight Chance Thunderstorms

    • 44
    • 69

    Mostly Sunny

    • 54
    • 73

    Rain Showers Likely

    • 58
    • 82

    Slight Chance Thunderstorms

    • 62
    • 89

    Chance Thunderstorms

    • 64
    • 89

    Chance Thunderstorms

Today 12 May Knox

Mostly sunny this Morning, then mostly cloudy with a slight chance of Showers and Thunderstorms this afternoon. Patchy blowing dust. Breezy, warmer with Highs around 80. Southwest Winds 15 to 25 Mph. Gusts up to 40 Mph this afternoon. Chance of rain 20 percent.

Tonight 12 May Knox

Patchy blowing dust in the evening. Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then clear after midnight. Lows around 50. West Winds 10 to 15 Mph. Gusts up to 35 Mph in the evening. Chance of rain 20 percent.

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Knoxville Temperature Statistics

May Temperature

Galesburg Municipal Airport (7.5 miles)

  • Lowest 7 May, 2026

    32.7 °F

  • Average May

    53.4 °F

  • Highest 4 May, 2026

    80.4 °F

Climate (2021–Present)

Galesburg Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    62.3 °F
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